Year % of total population ages 15+ (modeled ILO estimate) 1991 60.199007828365644 1992 59.85202284988956 1993 59.637188827408394 1994 59.590242543469365 1995 59.456952809676835 1996 59.26466817519682 1997 59.158022986703386 1998 59.01115155590125 1999 58.98564810432568 2000 58.959444972212744 2001 58.896208929767965 2002 58.852653955420905 2003 59.36533046354921 2004 59.194099150665686 2005 59.213059847429676 2006 59.568395760059865 2007 59.706066737646026 2008 59.8772274679214 2009 59.929784033732766 2010 60.0737489916376 2011 60.02037738336668 2012 59.95976191440853 2013 60.105996681366975 2014 60.07438021378739 2015 60.14576953033454 2016 60.182412994219796 2017 60.376631326548534 2018 60.49850451206097 2019 60.59548130550884 2020 59.25492871515087 2021 59.41344906792864 2022 60.57785765911978 2023 60.84318600657634